win: Add HandleToInt() and IntToHandle()

util/win/process_info_test.cc

Index: util/win/process_info_test.cc
diff --git a/util/win/process_info_test.cc b/util/win/process_info_test.cc
index 0fc52a581fb0385161cd456af2ece47d2adfc364..a6f9dc1cebdc8b6068d5397576946212eae3d8de 100644
--- a/util/win/process_info_test.cc
+++ b/util/win/process_info_test.cc
@@ -33,6 +33,7 @@
 #include "util/misc/uuid.h"
 #include "util/win/command_line.h"
 #include "util/win/get_function.h"
+#include "util/win/handle.h"
 #include "util/win/scoped_handle.h"
 
 namespace crashpad {
@@ -573,7 +574,8 @@ TEST(ProcessInfo, Handles) {
   bool found_key_handle = false;
   bool found_mapping_handle = false;
   for (auto handle : info.Handles()) {
-    if (reinterpret_cast<uint32_t>(file.get()) == handle.handle) {
+    const int handle_int = implicit_cast<int>(handle.handle);
+    if (handle_int == HandleToInt(file.get())) {
       EXPECT_FALSE(found_file_handle);
       found_file_handle = true;
       EXPECT_EQ(L"File", handle.type_name);
@@ -583,7 +585,7 @@ TEST(ProcessInfo, Handles) {
                 handle.granted_access & STANDARD_RIGHTS_ALL);
       EXPECT_EQ(0, handle.attributes);
     }
-    if (reinterpret_cast<uint32_t>(inherited_file.get()) == handle.handle) {
+    if (handle_int == HandleToInt(inherited_file.get())) {
       EXPECT_FALSE(found_inherited_file_handle);
       found_inherited_file_handle = true;
       EXPECT_EQ(L"File", handle.type_name);
@@ -597,7 +599,7 @@ TEST(ProcessInfo, Handles) {
       const int kObjInherit = 0x2;
       EXPECT_EQ(kObjInherit, handle.attributes);
     }
-    if (reinterpret_cast<uint32_t>(scoped_key.get()) == handle.handle) {
+    if (handle_int == HandleToInt(scoped_key.get())) {
       EXPECT_FALSE(found_key_handle);
       found_key_handle = true;
       EXPECT_EQ(L"Key", handle.type_name);
@@ -607,7 +609,7 @@ TEST(ProcessInfo, Handles) {
                 handle.granted_access & STANDARD_RIGHTS_ALL);
       EXPECT_EQ(0, handle.attributes);
     }
-    if (reinterpret_cast<uint32_t>(mapping.get()) == handle.handle) {
+    if (handle_int == HandleToInt(mapping.get())) {
       EXPECT_FALSE(found_mapping_handle);
       found_mapping_handle = true;
       EXPECT_EQ(L"Section", handle.type_name);
@@ -620,6 +622,7 @@ TEST(ProcessInfo, Handles) {
     }
   }
   EXPECT_TRUE(found_file_handle);
+  EXPECT_TRUE(found_inherited_file_handle);
   EXPECT_TRUE(found_key_handle);
   EXPECT_TRUE(found_mapping_handle);
 }